Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7302901 | Self-tacking swivel base An improved sailboat swivel base consisting of a rotating arm that supports both a guide pulley on one end and a rope securing cleat on the opposite end. The arm swivels about a center bearing, housed in a base which is fastened to a fixed structure such as the deck... | 12/04/2007 |
| 7293763 | Retaining keeper assembly for a hoisting device A retaining keeper assembly for a hoisting device. A shank has a plurality of circumferential grooves perpendicular to an axis of the shank. A thrust bearing surrounds the shank and is supported by the hoisting device. A split retaining collar having a plurality of ... | 11/13/2007 |
| 7240633 | Underwater chain stopper and fairlead apparatus for anchoring offshore structures An underwater chain stopper and fairlead apparatus for offshore structures, drilling platforms, ships or other vessels. The apparatus comprises a mounting member, a fairlead member and a chain stopper member. The mounting member is attached to an underwater surface ... | 07/10/2007 |
| 7178226 | Wire installation tool An electrician's tool generally comprises a plate having a hole formed therein, the hole defined by an inner edge. The edge includes means for safely sliding wire through the hole and past the edge. In one embodiment the means for safely sliding the wire includes at... | 02/20/2007 |
| 7168687 | Snatch block, snatch block assembly and method of use Various exemplary embodiments for snatch block and snatch block assemblies are disclosed. A snatch block having a sideplate that is pivotable, enabling a bight of rope, cable, or chain to be inserted is disclosed. The pivotable sideplate may be engaged with a retain... | 01/30/2007 |
| 7152847 | Pulley block A pulley block has a body which rotatably supports a sheave, the block having a mounting pin which extends through a bore in the block. The pin has an enlarged head disposed internally of the body to retain the pin in the bore. Rotation of the pin may be prevented b... | 12/26/2006 |
| 7007927 | Arborist limb lowering method An apparatus for the controlled lowering to the ground of a cut portion of a tree includes a rope and an anchor having an arrangement of guiding protuberances., each guiding protuberance including a bearing surface frictionally engaging and redirecting the rope with... | 03/07/2006 |
| 7000905 | Retaining keeper assembly for a hoisting device A retaining keeper assembly for a hoisting device. A shank has a plurality of circumferential grooves perpendicular to an axis of the shank. A thrust bearing surrounds the shank and is supported by the hoisting device. A split retaining collar having a plurality of ... | 02/21/2006 |
| 6974125 | Pulley block A line-handling block particularly for sailing vessels has an attachment device (30) rotatably mounted in the body. Locking device (50) are slidable in keyhole slots (60) into or out of engagement with the attachment device (30). When in ... | 12/13/2005 |
| 6907934 | Universal top-drive wireline entry system bracket and method A bracket and tension rod device is mounted to a top-drive dolly to carry the weight of a sheave wheel assembly. The device is deployed by connecting the sheave wheel assembly to a rigid dolly arm with an adjustable tension rod to relieve a gooseneck from adverse te... | 06/21/2005 |
| 6698723 | Ratchet tie down device with integral security lock A tie down device having a pulley incorporating a ratchet and a security lock. The tie down device has a housing which encloses a pulley over which is reeved a plastic jacketed metallic stranded cable, a ratchet wheel and associated pawl, and a key operat... | 03/02/2004 |
| 6684805 | Rope loop connection system for yachts A connection system for Yachts comprising a lightweight rope loop (2) and a body part for connecting sheets, sails and blocks. A tensile connecting device comprises a high strength fiber rope with a first enlarged terminated end that is held captive in a ... | 02/03/2004 |
| 6592101 | Hoist with shock absorbing device for the load A shock absorbing device is provided for use on a hoist of the type generally used for safety of personnel entering a manhole or the like which has a base for mounting on a support surface at the hole and a jib portion. A winch is mounted at one position ... | 07/15/2003 |
| 6561490 | Rope pulley construction A rope pulley construction comprising a frame, at least one rope pulley equipped with a rope groove, rope pulley bearing, guard to prevent a lifting rope from coming off the rope pulley, and suspension point for hanging the rope pulley. The frame of the r... | 05/13/2003 |
| 6554540 | Modular guiding device A modular guidance device for routing cable through an underground chamber includes a plurality of rollers positioned in adjacent relation. End plates hold the rollers in position. A support leg is connected to the end plates and a support member is secur... | 04/29/2003 |
| 6250608 | Rotatable hitch for securing a lift sheave to a frame element A rotatable hitch (30) is secured to crosshead channels (10) on an overhead sheave (40) and includes a sleeve (50) and a connecting rod (60) disposed within the sleeve (50).... | 06/26/2001 |
| 6148755 | Removable underwater fairlead and method In a broad aspect, the invention relates to a new design for a fairlead that is capable of being remotely uninstalled from and then reinstalled on an offshore drilling and production vessel, while the vessel is in its moored position, in the event that th... | 11/21/2000 |
| 6145680 | Apparatus for reducing overload and dampening collision energy The invention relates to an apparatus for reducing overload and dampening collision energy, for instance, in connection with a container crane, the apparatus comprising a movable bar (16) to receive a load and a resistance device (18) against the predeter... | 11/14/2000 |
| 6105939 | Stuffing box sheave assembly with retention pad A stuffing box sheave assembly includes a brace having a tubular collar positioned at one end and a pair of spaced apart forked arms outwardly projecting from the opposing end. A nylon wheel is rotatably mounted between the forked arms. The wheel has an a... | 08/22/2000 |
| 6062544 | Cable drive of a hoisting mechanism A cable drive for a hoisting mechanism, including a carrying element having a recess, at least one of a top block and a cable end attachment, each of which has a horizontal swivel axle having two ends, and bearing elements swivelably mounted at both ends ... | 05/16/2000 |
| 5984278 | Swivel post latch system for bearing block A bearing block has a head containing a totatably mounted post to enable attachment of the block on a support. A manually operated latch mechanism is mounted in the head, and the latch may be moved into engagement with one or more recesses in the post to ... | 11/16/1999 |
| 5868381 | Adjustable angle logging block A logging block (16) formed in accordance with the present invention includes a frame (56) having a first end and an opposing second end and a sheave (50) having an upper side (58) and an opposing lower side (62) coupled to the second end of the frame suc... | 02/09/1999 |
| 5845893 | Underwater self-aligning fairlead latch device for mooring a structure at sea An underwater self-aligning fairlead latch device is provided for guiding and securing an anchor chain between an offshore structure and an anchor. The fairlead device includes a latch housing pivotally mounted to a fairlead housing. The latch housing inc... | 12/08/1998 |
| 5725200 | Snatch block assembly A snatch block assembly for engaging a line between its ends includes a pair of arms mounted at their inner ends to a base. Engagement structure, in the form of a roller, is mounted to the outer end of each arm. The arms are either fixed in position relat... | 03/10/1998 |
| 5636460 | Dragline with cantilevered side-access dump block A dragline comprising a main housing, a bucket hoist mechanism mounted on the housing, a bucket drag mechanism mounted on the main housing, a moving mechanism for moving the main housing over the ground, a boom which is supported on the main housing and w... | 06/10/1997 |
| 5538223 | Single line multiple purchase block and tackle system A block and tackle system having two different purchases is operated from a single line. The system includes a primary purchase system and a secondary system having a higher purchase than the primary system. The primary and secondary systems are separated... | 07/23/1996 |
| 5364075 | Retractable mount for a mooring line guide and process for operating the same As a carriage carrying a mooring line guide is lowered by paying out a hoisting line two retaining projections mounted on the carriage are inserted into complementary stationary sockets to anchor the carriage in a lower position, As the carriage reaches s... | 11/15/1994 |
| 5156378 | Bearing block having high strength to weight ratio A bearing block having an inner and outer race is provided with an enlarged axial opening through the unloaded portion of the inner race and is selectively reinforced in the region carrying the load, in order to provide an improved strength to weight rati... | 10/20/1992 |
| 5149059 | Low profile multiple bearing block fairlead A low profile fairlead has a plurality of blocks support in a spaced relation along the arc of a circle to simulate a single bearing block of larger diameter.... | 09/22/1992 |
| 5004108 | Cranes The upper block assembly of a crane is connected to the crane boom via a special universal joint having a pivot axis and a hollow shaft. The cable by which the lower block assembly is suspended is fed through the hollow shaft and extends to the crane winc... | 04/02/1991 |
| 4946137 | Wire feeding tool An electric wire or cable feeding tool is provided with mounting brackets for removably attaching the tool to opposite side walls of a conventional electric junction box. An axle extends between the two mounting brackets, and an elongate guide roller havi... | 08/07/1990 |
| 4917361 | Snatch blocks A snatch block has its sheave established by connecting the smaller ends of a pair of frusto-conical shell portions to a central member rotatably mounted on an axle protruding from one side of the hanger. The larger ends of the portions merge with end wal... | 04/17/1990 |
| 4867419 | Deflectable trunnion assembly A deflectable trunnion assembly that has a deflectable eye member or hook. The trunnion assembly is connectable to a pulley block of a hoist. The trunnion assembly has a trunnion block on which a deflectable spherical roller thrust bearing rides. The eye ... | 09/19/1989 |
| 4771701 | Pulley support head in a cable conveyor The pulley support head according to the invention is adapted to permit easy adjustment of the orientation of the pulley at any time, even when the pulley is turning. The support head comprises a rigid frame (11) having a front extremity (13) which carrie... | 09/20/1988 |
| 4721052 | Pedestal wheel steering system having universal self-adjusting idler A boat steering assembly (10) including a pedestal steering actuator (11) in a column (12) mounted on a boat sole (16). A pair of steering cables (18,20) lead from the actuator through a substantially vertical orientation and then through a universal self... | 01/26/1988 |
| 4718371 | Resilient support for yacht fitting A resilient support is provided for maintaining a pivotally mounted yacht fitting in an upright position. The support is in the form of a conical section made from a resilient polymeric material.... | 01/12/1988 |
| 4708321 | Multiple sheave assembly with angled rollers Disclosed is a sheave assembly for supporting a downward extending cable wherein a plurality of rollers are disposed upward and outward in a staggered manner from a plane defined by a downward facing arcuate path along which the cable approximately passes... | 11/24/1987 |
| 4690380 | Sheave assembly with multiple pulleys used to measure cable angle Disclosed is a counter-balanced sheave assembly for supporting a cable comprising a plurality of sheaves mounted in an arcuate path on a support frame; counter-balancing weights positioned above the support frame and rigidly connected thereto; and a suspe... | 09/01/1987 |
| 4669145 | Hose reel system A hose reel system for a sewer and catch basin cleaner and the like has a fixed mounted hose reel and a movable hose traction wheel. The hose reel includes a drive motor which rotates the reel in a direction to wind a hose onto the reel and a clutch which... | 06/02/1987 |
| 4640496 | Dump block for dragline bucket A dump block is provided for a dragline bucket wherein a central cylinder is equipped with axially spaced side plates to provide a reeve-way for the dump rope, and a steel ring rotatably disposed about the cylinder having inner and outer plastic elements ... | 02/03/1987 |
